Achievements are great. They encourage people to fully explore a game and see all it has to offer. They're also nice for bragging rights, which might not be for everyone but a lot of people seem to enjoy that part of it.
I think you could make some really...

You play a man,you wake up in the morning,you eat breakfast,you clean your teeth,you wear clothes,leave house.
It's cold outside,half meter snow,you struggle hard to walk till the bus stop,once you reach it you wait for bus 37.Bus 37 isnt coming but it